K-8018B2

Welding of 1.25%Cr-0.5%Mo steels used for thermoelectric power plant and equipments of oil refining industries

KS         D 7022 : DT2318
AWS     A5.5 : E8018-B2
EN        ISO 3580-A : ECrMo1 B 32 H10
EN        ISO 3580-B : E55 18-1CM H10
JIS        Z 3224 : DT2318

Category:
K-8016B2
K-9016B3

Description

 
Sizes (mm) Standard Welding Position Shielding gas Polarity
2.6~6.0 KS D 7022
AWS A5.5
EN ISO 3580-A
EN ISO 3580-B
JIS Z 3224		 DT2318
E8018-B2
ECrMo1 B 32 H10
E55 18-1CM H10
DT2318		 F, HF, H, VU, OH – AC/DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.06 0.61 0.70 0.014 0.011 1.32 0.02 0.55 –
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
590 670 25 – 65 (0℃) 690℃X1Hr
Product Dimensions and Weld Current Range
 
Welding
Position		 Sizes (mm) Ampere (A) Volt (V)
Min. Max. Min. Max.
F, HF 2.6mm 65 95
VU, OH 2.6mm 60 90
F, HF 3.2mm 90 130
VU, OH 3.2mm 80 120
F, HF 4.0mm 130 190
VU, OH 4.0mm 110 170
F, HF 5.0mm 190 250
VU, OH 5.0mm 150 200
F, HF 6.0mm 250 300

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